// //动态设置像素比
// var iScale=0;
// iScale=1/window.devicePixelRatio;
// document.write('<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale='+iScale+', maximum-scale='+iScale+', minimum-scale='+iScale+'" />');
// //动态设置html字体大小---适配屏幕宽度
// var fontSize=document.documentElement.clientWidth/16;
// 	document.getElementsByTagName('html')[0].style.fontSize=fontSize+'px';

document.write('<meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport" />');